The explorer is running in 'regtest' mode. This saves disk space, but there is limited data.
The code for this application can be found at github.com/pdxrod/blockchain_explorer.

home    blocks

Enter a block height, e.g. 123, or the start of a bitcoin address, e.g. mupBAc74k

Height: 2288
Hash: 2ccc595e035772c4a1e4db107d7ffa28f33128324c32c6800db6038d1cb02d93
Previous block: 6bfe3f12402ed3beae03a19dabd0680ae4021631fcec6bda292d812b8a42bdf7
Next block: 1c41183ef7968a0d217165624d337a08f5d417a779313dc14cd07a1539d54afe
Weight: 908
Versionhex: 20000000
Version: 536870912
Transactions:
Time: 1719480991
Stripped size: 218
Size: 254
Nonce: 3
Merkle root: 3c40312030c90e1dc37d5c85198ac4b9b4ff6567a4fdabe7b63fefe26c322ba2
Median time: 1719480990
Difficulty: 4.656542373906925e-10
Confirmations: 4
Chainwork: 00000000000000000000000000000000000000000000000000000000000011e2
Bits: 207fffff